APA (7e ed.) Bronvermelding

Blaich, T. P., & Baumgartner, J. C. (1953). The challenge of democracy. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Blaich, Theodore Paul, en Joseph Cornelius Baumgartner. The Challenge of Democracy. New York: McGraw-Hill, 1953.

MLA (9e ed.) Bronvermelding

Blaich, Theodore Paul, en Joseph Cornelius Baumgartner. The Challenge of Democracy. McGraw-Hill, 1953.